def __init__(self, reader: BinaryStream):
if reader.version < Versions.VER_UE4_SUPPORT_32BIT_STATIC_MESH_INDICES:
self.indices16 = reader.readBulkTArray(reader.readUInt16)
self.indices32 = []
else:
is32bit = reader.readBool()
data = bytearray(reader.readBulkTArray(reader.readInt8))
tr = BinaryStream(data)
tr.game = reader.game
tr.version = reader.version
if reader.game >= GAME_UE4(25):
reader.readBool()
if len(data) == 0:
self.indices16 = []
self.indices32 = []
return
if is32bit:
count = int(len(data) / 4)
self.indices32 = [tr.readUInt32() for _ in range(count)]
self.indices16 = []
else:
count = int(len(data) / 2)
self.indices16 = [tr.readUInt16() for _ in range(count)]
self.indices32 = []
def __init__(self, reader: BinaryStream):
StripFlags = FStripDataFlags(
reader, Versions.VER_UE4_STATIC_SKELETAL_MESH_SERIALIZATION_FIX)
self.NumTexCoords = reader.readInt32()
self.Strides = reader.readInt32() if reader.game < GAME_UE4(19) else -1
self.NumVertices = reader.readInt32()
self.UseFullPrecisionUVs = reader.readBool()
self.UseHighPrecisionTangentBasis = reader.readBool(
) if reader.game >= GAME_UE4(12) else False
if not StripFlags.isDataStrippedForServer():
if reader.game < GAME_UE4(19):
self.UV = reader.readTArray_W_Arg(
FStaticMeshUVItem().read, reader,
self.UseHighPrecisionTangentBasis, self.NumTexCoords,
self.UseFullPrecisionUVs)
else:
# reader.readBulkTArray()
itemSize = reader.readInt32()
itemCount = reader.readInt32()
if itemCount != self.NumVertices:
raise ParserException(
f"{itemCount=} != {self.NumVertices=}")
pos = reader.tell()
self.UV = [
FStaticMeshUVItem().construct(
FStaticMeshUVItem().serialize_tangents(
reader, self.UseHighPrecisionTangentBasis), [])
for _ in range(self.NumVertices)
]
if reader.tell() - pos != itemSize * itemCount:
raise ParserException(
f"Read incorrect amount of tangent bytes, at {reader.tell()}, should be: {pos + itemSize * itemCount} behind: {pos + (itemSize * itemCount) - pos}"
)
itemSize = reader.readInt32()
itemCount = reader.readInt32()
if itemCount != self.NumVertices * self.NumTexCoords:
raise ParserException(
f"{itemCount=} != NumVertices * NumTexCoords = {self.NumVertices * self.NumTexCoords}"
)
pos = reader.tell()
for i in range(self.NumVertices):
self.UV[i].UV = FStaticMeshUVItem().serialize_texcoords(
reader, self.NumTexCoords, self.UseFullPrecisionUVs)
if reader.tell() - pos != itemSize * itemCount:
raise ParserException(
f"Read incorrect amount of Texture Coordinate bytes, at {reader.tell()}, should be: {pos + itemSize * itemCount} behind: {pos + (itemSize * itemCount) - pos}"
)
else:
self.UV = []
def __init__(self, reader: BinaryStream):
self.MaterialIndex = reader.readInt32()
self.FirstIndex = reader.readInt32()
self.NumTriangles = reader.readInt32()
self.MinVertexIndex = reader.readInt32()
self.MaxVertexIndex = reader.readInt32()
self.EnableCollision = reader.readBool()
self.CastShadow = reader.readBool()
self.ForceOpaque = reader.readBool() if FRenderingObjectVersion().get(reader) >= FRenderingObjectVersion.StaticMeshSectionForceOpaqueField else False
self.VisibleInRayTracing = reader.readBool() if reader.game >= EUEVersion.GAME_UE4_26 else False
def __init__(self, reader: BinaryStream):
self.stripFlags = FStripDataFlags(reader)
self.sections = reader.readTArray_W_Arg(FStaticMeshSection, reader)
self.maxDeviation = reader.readFloat()
if reader.game < GAME_UE4(23):
if not self.stripFlags.isDataStrippedForServer(
) and not self.stripFlags.isClassDataStripped(CDSF_MinLodData):
self.serializeBuffer_legacy(reader)
return
self.is_lod_cooked_out = reader.readBool()
self.inlined = reader.readBool()
if not self.stripFlags.isDataStrippedForServer(
) and not self.is_lod_cooked_out:
pos = reader.tellfake()
if self.inlined:
self.serializeBuffer(reader)
else:
bulk: FByteBulkData = FByteBulkData(
reader,
ubulk=reader.ubulk_stream,
bulkOffset=reader.PackageReader.PackageFileSummary.
BulkDataStartOffset)
if bulk.Header.ElementCount > 0:
tr = BinaryStream(bulk.Data)
tr.game = reader.game
tr.version = reader.version
self.serializeBuffer(tr)
reader.readUInt32() # DepthOnlyNumTriangles
reader.readUInt32() # PackedData
reader.seek(4 * 4 + 2 * 4 + 2 * 4 + 6 * (2 * 4), 1)
"""
StaticMeshVertexBuffer = 2x int32, 2x bool
PositionVertexBuffer = 2x int32
ColorVertexBuffer = 2x int32
IndexBuffer = int32 + bool
ReversedIndexBuffer
DepthOnlyIndexBuffer
ReversedDepthOnlyIndexBuffer
WireframeIndexBuffer
AdjacencyIndexBuffer
"""
# FStaticMeshBuffersSize
reader.readUInt32() # SerializedBuffersSize
reader.readUInt32() # DepthOnlyIBSize
reader.readUInt32() # ReversedIBsSize
def __init__(self, reader: BinaryStream):
super().__init__()
if reader.game >= GAME_UE4(16):
self.CompressedDistanceFieldVolume = reader.readTArray(
reader.readByteToInt)
self.Size = FIntVector(reader)
self.LocalBoundingBox = FBox(reader)
self.DistanceMinMax = FVector(reader)
self.MeshWasClosed = reader.readBool()
self.BuiltAsIfTwoSided = reader.readBool()
self.MeshwasPlane = reader.readBool()
self.DistanceFieldVolume = []
else:
self.DistanceFieldVolume = reader.readTArray(reader.readUInt16)
self.Size = FIntVector(reader)
self.LocalBoundingBox = FBox(reader)
self.MeshWasClosed = reader.readBool()
self.BuiltAsIfTwoSided = reader.readBool(
) if reader.version >= Versions.VER_UE4_RENAME_CROUCHMOVESCHARACTERDOWN else False
self.MeshwasPlane = reader.readBool(
) if reader.version >= Versions.VER_UE4_DEPRECATE_UMG_STYLE_ASSETS else False
self.CompressedDistanceFieldVolume = []
self.DistanceMinMax = FVector2D().construct(0, 0)
def __init__(self, reader: BinaryStream):
super().__init__()
self.Cooked = reader.readBool()
self.Value = reader.readFloat()
def __init__(self, reader: BinaryStream) -> None:
if reader.readBool():
self.CultureInvariantString = reader.readFString()
def __init__(self, reader: BinaryStream):
self.bInitialized = reader.readBool()
self.bOverrideDensities = reader.readBool()
self.LocalUVDensities = [
reader.readFloat() for _ in range(TEXSTREAM_MAX_NUM_UVCHANNELS)
]
